<template>
  <div>
    <el-menu
      default-active="1-4-1"
      class="el-menu-vertical-demo"
      @open="handleOpen"
      @close="handleClose"
      :collapse="isCollapse"
      background-color="#545c64"
      text-color="#fff"
      active-text-color="#ffd04b"
    >
    <h3>通用后台管理系统</h3>
    <el-menu-item v-for="item in noChildren" :key="item.name" :index="item.name">
        <i :class="`el-icon-${item.icon}`"></i>
        <span slot="title">{{ item.label }}</span>
      </el-menu-item>
      <el-submenu v-for="item in hasChildren" :key="item.label" :index="item.label">
        <template slot="title">
          <i :class="`el-icon-${item.icon}`"></i>
          <span slot="title">{{ item.label }}</span>
        </template>
        <el-menu-item-group v-for="subItem in item.children" :key="subItem.name">
          <el-menu-item :index="subItem.name">{{ subItem.label }}</el-menu-item>
        </el-menu-item-group>
      </el-submenu>
    </el-menu>
  </div>
</template>
<style lang="less" scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 200px;
  min-height: 400px;
}
.el-menu{
    height:100vh;
    h3{
        color: #fff;
        text-align: center;
        line-height: 48px;
        font-size: 16px;
        font-weight: 400;
  }
}
.el-aside{
  display:none;
}
</style>
  
  <script>
export default {
  name: 'CommonAside',
  data() {
    return {
      isCollapse: false,
       menuData:[
        {
                path:'/',
                name:'home',
                label:'首页',
                icon:'s-home',
                url:'Home/Home0'
            },
            {
                path:'/mall',
                name:'mall',
                label:'商品管理',
                icon:'video-play',
                url:'MallManage/MallManage'
            },
            {
                path:'/user',
                name:'user',
                label:'用户管理',
                icon:'user',
                url:'UserManage/UserManage'
            },
            {
                label:'其他',
                icon:'location',
                children: [
                    {
                        path:'/page1',
                        name:'page1',
                        label:"页面1",
                        icon:'setting',
                        url:'Other/PageOne',
                    },
                    {
                        path:'/page2',
                        name:'page2',
                        label:'页面2',
                        icon:'setting',
                        url:'Other/PageTwo',
                    },
                ],
            },
        ],
    };
  },
  methods: {
    handleOpen(key, keyPath) {
      console.log(key, keyPath);
    },
    handleClose(key, keyPath) {
      console.log(key, keyPath);
    },
  },
  computed:{
    //没有子菜单
    noChildren(){
       return  this.menuData.filter(item => !item.children)
    },
    //有子菜单
    hasChildren(){
       return this.menuData.filter(item => item.children)
    }
  }
};
</script>